similar to: [PATCH] stubdom: Fix modified_memory size calculation

This moves the xen_modified_memory call from cpu_physical_memory_map to cpu_physical_memory_unmap because the memory could be migrated before the device model have written to it. But because we need to know the guest address and to avoid rewriting a new function, the call is moved to qemu_invalidate_entry. So this later has to new parameters, the length of the mapping and if it was a write.

Get the free pages information through virtio and filter out the free pages in the ram bulk stage. This can significantly reduce the total live migration time as well as network traffic. Signed-off-by: Liang Li <liang.z.li at intel.com> --- migration/ram.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 46 insertions(+), 6 deletions(-) diff --git

This is a slightly modified version of the original VGA patch that removes changes to the configure script to check for SSE2 capabilities. SSE2 is now only checked at run time. Signed-off-by: Don Dugger <donald.d.dugger@intel.com> -- Don Dugger "Censeo Toto nos in Kansa esse decisse." - D. Gale Donald.D.Dugger@intel.com Ph: (303)440-1368 diff -r c445d4a0dd76

Add QEMU support for the KVM balloon driver. Memory hinting is performed via madvise(). Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Index: kvm-userspace/libkvm/libkvm.c =================================================================== --- kvm-userspace.orig/libkvm/libkvm.c +++ kvm-userspace/libkvm/libkvm.c @@ -886,6 +886,17 @@ int kvm_is_ready_for_interrupt_injection return

Add QEMU support for the KVM balloon driver. Memory hinting is performed via madvise(). Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Index: kvm-userspace/libkvm/libkvm.c =================================================================== --- kvm-userspace.orig/libkvm/libkvm.c +++ kvm-userspace/libkvm/libkvm.c @@ -886,6 +886,17 @@ int kvm_is_ready_for_interrupt_injection return

From 80b234220ea85d6fb291b0509ce2b3322e5ecc1f Mon Sep 17 00:00:00 2001 From: Dor Laor <dor.laor@qumranet.com> Date: Wed, 19 Dec 2007 23:07:16 +0200 Subject: [PATCH] [PATCH 1/3] virtio infrastructure This patch implements the basic infrastructure for virtio devices. These devices are exposed to the guest as real PCI devices. The PCI vendor/device IDs have been donated by Qumranet and the

From 80b234220ea85d6fb291b0509ce2b3322e5ecc1f Mon Sep 17 00:00:00 2001 From: Dor Laor <dor.laor@qumranet.com> Date: Wed, 19 Dec 2007 23:07:16 +0200 Subject: [PATCH] [PATCH 1/3] virtio infrastructure This patch implements the basic infrastructure for virtio devices. These devices are exposed to the guest as real PCI devices. The PCI vendor/device IDs have been donated by Qumranet and the

Hi! Consistenly use TARGET_PAGE_SIZE in ioemu''s block-vbd.c. Fixes build error on NetBSD. Signed-off-by: Christoph Egger <Christoph.Egger@amd.com> -- ---to satisfy European Law for business letters: Advanced Micro Devices GmbH Karl-Hammerschmidt-Str. 34, 85609 Dornach b. Muenchen Geschaeftsfuehrer: Thomas M. McCoy, Giuliano Meroni Sitz: Dornach, Gemeinde Aschheim, Landkreis

CC'ing virtualization list. On (Thu) 31 Mar 2016 [19:00:24], Dr. David Alan Gilbert wrote: > Hi, > I was reading the balloon code and am confused as to how/if ballooning > works on hosts where the host page size is larger than the > target page size. > > static void balloon_page(void *addr, int deflate) > { > #if defined(__linux__) > if

CC'ing virtualization list. On (Thu) 31 Mar 2016 [19:00:24], Dr. David Alan Gilbert wrote: > Hi, > I was reading the balloon code and am confused as to how/if ballooning > works on hosts where the host page size is larger than the > target page size. > > static void balloon_page(void *addr, int deflate) > { > #if defined(__linux__) > if

Hi all, this is the long awaited patch series to add xen device model support in qemu; the main author is Anthony Perard. Developing this series we tried to come up with the cleanest possible solution from the qemu point of view, limiting the amount of changes to common code as much as possible. The end result still requires a couple of hooks in piix_pci but overall the impact should be very

Traditionally, MIPS use 4KB page size, but Loongson prefer 16KB page size in system emulator. So, let's define TARGET_PAGE_BITS_VARY and TARGET_PAGE_BITS_MIN to support variable page size. Cc: Jiaxun Yang <jiaxun.yang at flygoat.com> Signed-off-by: Huacai Chen <chenhc at lemote.com> --- target/mips/cpu-param.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git

qemu-stubdom was stripping the prefix from the "params" xenstore key in xenstore_parse_domain_config, which was then saved stripped in a variable. In xenstore_process_event we compare the "param" from xenstore (not stripped) with the stripped "param" saved in the variable, which leads to a medium change (even if there isn't any), since we are comparing something

For assigned devices, use common code to enable msi-x. We need a special "assigned" option as assigned devices lack a standard way to get vector usage. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- hw/device-assignment.c | 329 ++++++++++++------------------------------------ hw/device-assignment.h | 7 +- hw/msix.c | 9 ++- hw/pci.h

For assigned devices, use common code to enable msi-x. We need a special "assigned" option as assigned devices lack a standard way to get vector usage. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- hw/device-assignment.c | 329 ++++++++++++------------------------------------ hw/device-assignment.h | 7 +- hw/msix.c | 9 ++- hw/pci.h

For assigned devices, use common code to enable msi-x. Add "hack" option as assigned devices lack a standard way to get vector usage. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- hw/device-assignment.c | 336 ++++++++++++------------------------------------ hw/device-assignment.h | 8 +- hw/msix.c | 11 ++- hw/pci.h | 4 + 4 files

For assigned devices, use common code to enable msi-x. Add "hack" option as assigned devices lack a standard way to get vector usage. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- hw/device-assignment.c | 336 ++++++++++++------------------------------------ hw/device-assignment.h | 8 +- hw/msix.c | 11 ++- hw/pci.h | 4 + 4 files

On Fri, Mar 04, 2016 at 02:26:49PM +0000, Li, Liang Z wrote: > > Subject: Re: [Qemu-devel] [RFC qemu 0/4] A PV solution for live migration > > optimization > > > > On Fri, Mar 04, 2016 at 09:08:44AM +0000, Li, Liang Z wrote: > > > > On Fri, Mar 04, 2016 at 01:52:53AM +0000, Li, Liang Z wrote: > > > > > > I wonder if it would be possible to

On Fri, Mar 04, 2016 at 03:49:37PM +0000, Li, Liang Z wrote: > > > > > > > Only detect the unmapped/zero mapped pages is not enough. > > > > Consider > > > > > > the > > > > > > > situation like case 2, it can't achieve the same result. > > > > > > > > > > > > Your case 2 doesn't

> > > > > > Only detect the unmapped/zero mapped pages is not enough. > > > Consider > > > > > the > > > > > > situation like case 2, it can't achieve the same result. > > > > > > > > > > Your case 2 doesn't exist in the real world. If people could > > > > > stop their main memory